A display device includes a light guide body and displays an image of light emitted from the light guide body. The light guide body is of a curved shape, and includes a light guide plate and an optical element that diffracts and emits light propagating inside the light guide plate. The optical element is provided in the light guide body so that the angle of the optical element relative to a propagation direction in which the light propagates inside the light guide plate is constant irrespective of where in the optical element.
DISPLAY DEVICE
2023-01-19
Patent
Elektronische Ressource
Englisch
IPC: | F21V FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF , Funktionsmerkmale oder Einzelheiten von Leuchten oder Beleuchtungssystemen / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / G02B Optische Elemente, Systeme oder Geräte , OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS |
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